again maintains fallbacks for folks that just don't want to use the lib (though if we do want to go that route, we'll likely want to re-review a few commits and put fallbacks, well, *back* at some point)
includes sdl in torqueconfig.h if in use to kill duplication.
adds a generic sdlPlatform.cpp for general methods, oneliners, and the like
added debug batch file for windows
improved project filters for executable: separated into engine and user sources
refactored version numbers, added them to the .rc file
changed /W2 to /W4
TORQUE_DEBUG,TORQUE_ENABLE_ASSERTS and TORQUE_DEBUG_GFX_MODE now automatically defined in debug mode